EXP40, Yealink

> 160x320 graphic LCD with 16-level grayscales > LCD Backlight > Two page views are possible > Different icons for each function shown on the LCD > 20 physical keys each with a dual-color LED > Programmable for shared line, BLF List, call park, conference, forward, group pickup, group listening, LDAP, Pick UP, XML Browser

Physical Feature: > Wall mountable > Stand with 2 adjustable angles > Expansion module (≤2) is powered by the host phone > Supports up to 6 modules daisy-chain > 2xRJ12（6P6C）ports for data in and out > Dimension (W*D*H*T): 127mm*213mm*167mm*45mm > Applies to Yealink IP Phone > Operating temperature: -10~50°C